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Phase I Trial to Assess the Safety, Tolerability and Immunogenicity of a Ebola Virus Vaccine (VSVΔG-ZEBOV)

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
 
ClinicalTrials.gov Identifier: NCT02374385
Recruitment Status : Completed
First Posted : February 27, 2015
Last Update Posted : February 9, 2016
Sponsor:
Collaborators:
Canadian Institutes of Health Research (CIHR)
NewLink Genetics Corporation
Information provided by (Responsible Party):
Scott Halperin, Dalhousie University

Brief Summary:

Background:

Ebola virus has infected and killed people, mostly in Africa. In 2014, the Ebola virus has affected several thousand people. There is no approved effective way to treat or prevent Ebola. Researchers are trying to develop a vaccine for it.

Objectives:

To study the anti-Ebola vaccine VSV ZEBOV (BPSC1001) to see if it is safe. Also, to see how it affects people's immune system.

Eligibility:

- Healthy men and women ages 18-65. They must not have a chronic medical condition that requires medicine. They must not be a healthcare worker, an animal care worker, or a childcare worker, and they must not have a household contact that has a compromised immune system, is pregnant, or is under the age of 5 years.

Design:

  • Participants will be screened with medical history, physical exam, and blood tests.
  • Participants will be randomly assigned to get the vaccine or the placebo.
  • At visit 1 (vaccination), vital signs will be taken and blood will be drawn. The vaccine or placebo will be injected into the upper arm muscle.
  • Participants will return to the clinic 11 times over the next 6 months. Participants will have blood drawn at every study visit. Their mouth will be swabbed and urine tested at least four times after vaccination.
  • For 14 days after vaccination, participants will write down their temperature, any symptoms, and any redness at the injection site. They will bring the booklet to each study visit.

All visits take place at the Canadian Center for Vaccinology, Dalhousie University/IWK Health Centre, Halifax, NS.


Condition or disease Intervention/treatment Phase
Ebola Viruses Biological: BPSC-1001 (VSVΔG-ZEBOV) Other: Placebo Phase 1

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 40 participants
Allocation: Randomized
Intervention Model: Single Group Assignment
Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
Primary Purpose: Prevention
Official Title: A Phase 1 Randomized, Single-Center, Double-Blind, Placebo Controlled, Dose-Ranging Study to Evaluate the Safety and Immunogenicity of the BPSC-1001 (VSVΔG-ZEBOV) Ebola Virus Vaccine Candidate in Healthy Adult Subjects
Study Start Date : November 2014
Actual Primary Completion Date : March 2015
Actual Study Completion Date : June 2015

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Ebola

Arm Intervention/treatment
Experimental: Group 1
1x10(5) pfu VSV G-ZEBOV vaccine (BPSC1001) each dose, total volume 1 mL
Biological: BPSC-1001 (VSVΔG-ZEBOV)
Ebola vaccine candidate
Other Name: BPSC-1001

Experimental: Group 2
5x10(5) pfu VSV G-ZEBOV vaccine (BPSC1001) each dose, total volume 1 mL
Biological: BPSC-1001 (VSVΔG-ZEBOV)
Ebola vaccine candidate
Other Name: BPSC-1001

Experimental: Group 3
3x10(6) pfu VSV G-ZEBOV vaccine (BPSC1001) each dose, total volume 1 mL.
Biological: BPSC-1001 (VSVΔG-ZEBOV)
Ebola vaccine candidate
Other Name: BPSC-1001

Placebo Comparator: Group 4
Group 4 will receive placebo (normal saline).
Other: Placebo
Normal saline




Primary Outcome Measures :
  1. Frequency and severity of local injection site reactogenicity signs and symptoms: pain, erythema, and induration [ Time Frame: 2 months ]
  2. Frequency of adverse events (AEs), severity and assessed relationship to study products [ Time Frame: 2 months ]
  3. Distribution of values of safety laboratory measures at baseline and at follow-up visits post-vaccination [ Time Frame: 3 months ]
  4. Number of participants with early discontinuation of vaccinations and reason for discontinuation [ Time Frame: 3 months ]

Secondary Outcome Measures :
  1. Measurement of ZEBOV envelope glycoprotein-specific binding antibody by ELISA [ Time Frame: 6 months ]
  2. rVSV in blood, urine, or saliva as detected by real-time polymerase chain reaction [RT-PCR] [ Time Frame: 6 months ]


Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years to 65 Years   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • Healthy adult male or non-pregnant, non-lactating female, ages 18 to 65 (inclusive) at the time of screening
  • Have provided written informed consent before screening
  • Free of clinically significant health problems, as determined by pertinent medical history and clinical examination prior to entry into the study
  • Available, able, and willing to participate for all study visits and procedures
  • Males and females who are willing to practice abstinence from sexual intercourse, or are willing to use effective methods of contraception, from at least 30 days prior to vaccination until study end.

    • If the female partner is NOT of childbearing potential, the couple will only be required to use condoms, without other adjunctive contraception.
    • For this study, a woman is considered of childbearing potential unless postmenopausal (≥ 1 year without menses) or surgically sterilized (tubal ligation, bilateral oophorectomy, or hysterectomy)
    • Effective contraception is defined as a contraceptive method with failure rate of less than 1% per year when used consistently and correctly and when applicable, in accordance with the product label, for example:
    • Male condoms PLUS: Oral contraceptives, either combined or progestogen alone, injectable progestogen,implants of etonogestrel or levonorgestrel, oestrogenic vaginal ring, percutaneous contraceptive patches, intrauterine device or intrauterine system
  • Be willing to minimize blood and body fluid exposure of others for 7 days after vaccination

    • Use of effective barrier prophylaxis, such as latex condoms, during penetrative sexual intercourse
    • Avoiding the sharing of needles, razors, or toothbrushes
    • Avoiding open-mouth kissing

Exclusion Criteria:

  • History of prior infection with a filovirus or prior participation in a filovirus vaccine trial
  • History of prior infection with VSV or receipt of a VSV vectored vaccine
  • Is a healthcare worker who has direct contact with patients
  • Has a house-hold contact (HHC) who is immunodeficient, HIV-positive, pregnant, has an unstable medical condition, or is under the age of 5 years
  • Is a childcare worker who has direct contact with children 5 years of age or younger
  • Directly prepares food in the food industry
  • History of employment in an industry involved in contact with ruminant animals, veterinary sciences, or other potential exposure to VSV
  • History of employment or activity which involves potential contact with filoviruses
  • History of severe local or systemic reactions to any vaccination or a history of severe allergic reactions
  • Known allergy to the components of the BPSC-1001 vaccine product
  • Receipt of investigational product up to 30 days prior to enrollment or ongoing participation in another clinical trial involving an investigational product
  • Receipt of licensed vaccines within 30 days of planned study immunization
  • Ability to observe possible local reactions at the eligible injections sites (deltoid region) is, in the opinion of the investigator, unacceptably obscured due to a physical condition or permanent body art
  • Acute or chronic, clinically significant psychiatric, hematologic, pulmonary, cardiovascular, or hepatic or renal functional abnormality as determined by the investigator based on medical history, physical exam, ECG, and/or laboratory screening test
  • Any baseline laboratory screening tests which is outside of acceptable range as defined in the protocol ALT, AST, creatinine, hemoglobin, platelet count, total white blood cell count, urine protein, urine occult blood, urine glucose
  • Any serologic evidence of hepatitis B or C infection
  • Any confirmed or suspected immunosuppressive or immunodeficient condition, including human immunodeficiency virus (HIV) infection, cytotoxic therapy in the previous 5 years, and/or diabetes
  • Any chronic or active neurologic disorder, including migraines, seizures, and epilepsy, excluding a single febrile seizure as a child
  • Have an active malignancy or history of metastatic or hematologic malignancy
  • Suspected or known alcohol and/or illicit drug abuse within the past 5 years
  • Moderate or severe illness and/or fever greater than 100.4 F within one week prior to vaccination
  • Pregnant or lactating female, or female who intends to become pregnant during the study period
  • Administration of immunoglobulins and/or any blood products within the 120 days preceding study entry or planned administration during the study period
  • History of blood donation within 60 days of enrollment or plans to donate within the study period
  • Administration of chronic (defined as more than 14 days) immunosuppressants or other immune modifying drugs within 6 months of study entry

    • For corticosteroids, this will mean prednisone, or equivalent, greater than or equal to 0.5 mg/kg/day
    • Intranasal and topical steroids are allowed
  • Unwilling to allow storage and use of blood for future vaccine research
  • Any other significant finding that in the opinion of the investigator would increase the risk of the individual having an adverse outcome from participating in this study

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT02374385


Sponsors and Collaborators
Dalhousie University
Canadian Institutes of Health Research (CIHR)
NewLink Genetics Corporation
Investigators
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Principal Investigator: Scott A. Halperin, MD Dalhousie University
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
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Responsible Party: Scott Halperin, Dr. Scott Halperin, Dalhousie University
ClinicalTrials.gov Identifier: NCT02374385    
Other Study ID Numbers: CI1401
First Posted: February 27, 2015    Key Record Dates
Last Update Posted: February 9, 2016
Last Verified: February 2016
Additional relevant MeSH terms:
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Hemorrhagic Fever, Ebola
Virus Diseases
Hemorrhagic Fevers, Viral
RNA Virus Infections
Filoviridae Infections
Mononegavirales Infections